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The random var x has a normal distribution with population mean (u) of 40 and a population variance (q^2) of 36. Find the value of x. Call it x0, such that... A) P (X >= x0) = 0.10 B) P(X<x0) = 0.05 C) P(X>=x0) = 0.40
A researcher is interested in gender differences in attitudes toward flying
Give the state transition probability matrix
A particular district of your nation had a higher incidence rate for polio last year compared to the rest of the country. That region has been traditionally been resistant to vaccination efforts. You have commissioned a case-control study for the vil..
Collect a real data set consisting of a sample of at least forty observations
This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. Fisher's exact test, Cramer's V, Yates' correction or Regression
For each of the variables described below, indicate whether it is a quantitative or a categorical (qualitative) variable. Also, indicate the level of measurement for the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the..
Produce boxplots to compare the selection times for each participant. Comment on what they reveal. Also identify (by initial) which participant took the longest and which took the shortest time to make their decisions.
Foreign trade is important to the United States. No country exports and imports more. However, there has been a large trade imbalance in many sectors. To measure the extent of the prob- lem, an economist recorded the difference between exports and im..
Recorded the time in seconds it took for 8 participants to solve a puzzle. These times appear below. However, when the data was entered into the statistical program, the score that was supposed to be 22.1 was entered as 21.2. You had calculate..
An important feature of digital cameras is battery life, the number of shots that can be taken before the battery needs to be recharged. The file digital cameras contains battery life information for 29 subcompact cameras and 16 compact cameras. (Dat..
Davids ipod has about 10000 songs.the distribution of the play times for these songs is heavily skewed to the right with mean of 225 seconds and a standard deviation of 60 seconds. Suppose we choose an srs of 10 songs from this population and ..
1 )The college student senate is sponsoring a spring break Caribbean cruise raffle. The proceeds are to be donated to the Samaritan Center for the Homeless. A local travel agency donated the cruise, valued at $2000. The students sold 2544 raffle tick..
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